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disussion on bowl spacers and flow theory

 
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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Wed Apr 05, 2006 10:14 pm    Post subject: disussion on bowl spacers and flow theory Reply with quote

ok ya i am swinging around to working on my pump again and i have this half finished bowl spacer in my hands. heres the problem, i have a step between my bowl and my droop, so i would assume it an opportunity to transition this step with my bowl spacer which has been machined to the smaller ID which is thed droop. now i have several choices on how to make this transition, ranging from doable to highly unlikely with my rescources. in drawing one is the situation now. the folowing drawings are possible transition styles. any input would be appreciated because this hydro dynamical stuff is interesting to me and if it means a mph or two its CRUCIAL! Razz


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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Wed Apr 05, 2006 10:15 pm    Post subject: Reply with quote

the options?-


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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Wed Apr 05, 2006 10:16 pm    Post subject: Reply with quote

the stuff


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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Wed Apr 05, 2006 10:18 pm    Post subject: Reply with quote

stuff.......


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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Wed Apr 05, 2006 10:22 pm    Post subject: Reply with quote

oh ya i forgot to mention i will use a wedge i think its 5 deg. i assume it will be installed after the space at the droop flange,.??
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Cavefish



Joined: 18 Jun 2005
Posts: 130
Location: Klamath, CA, USA

PostPosted: Thu Apr 06, 2006 8:03 am    Post subject: Reply with quote

I think the best way is the impossible angle version, try and lose the 6.5 mm over the length of the spacer. If you don't have a way to to that, how about put the 45 degree ridge at the snoot end, then blend back to bowl diameter with bondo or some kind of JB weld type stuff? Maybe round the top of the ridge a little first with a drum sander on a drill.
I guess you need a lathe that you could angle the bed to actually cut the inside at the angle you need. Do they even make such a thing???
Interesting project!

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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Thu Apr 06, 2006 8:59 am    Post subject: Reply with quote

well the reason i am so curious is that i had read mention of the spacers job being to stabilize the column of water by straightening it and letting it "settle" in a non tapered area before cramming down the neck of the nozzle. this would count against the impossible variable style......
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AR



Joined: 23 Jun 2005
Posts: 181
Location: Iowa, USA

PostPosted: Thu Apr 06, 2006 9:01 am    Post subject: Reply with quote

You need a friend with a lathe !
Then the hardest part is getting the angle right. Each width spacer takes
a different angle.

With two different size openings it makes it impossible to stack spacers
when you're testing.

Is it possible to make the nozzle opening the same size as the bowel ?
Just a thought. . . . . Crying or Very sad


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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Thu Apr 06, 2006 9:05 am    Post subject: Reply with quote

your thought is interesting though because i could leave the spacer as is and bondo in the bowl exit insted. this would give me smoothness and the straight column of h20, however it would be necking down the entire system earlier...... also it would make it harder to use the wedges.
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AR



Joined: 23 Jun 2005
Posts: 181
Location: Iowa, USA

PostPosted: Thu Apr 06, 2006 9:23 am    Post subject: Reply with quote

The nozzle itself would be the deal.

How did you end up with different sizes to begin with ?



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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Thu Apr 06, 2006 11:48 am    Post subject: Reply with quote

not sure how they are different. must be a different bowl than was originally for the nozzle. i think i like the idea of filling the bowl instead of boring the spacer. this makes sense to me.
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G~FORCE



Joined: 18 Mar 2006
Posts: 75
Location: OREGON

PostPosted: Thu Apr 06, 2006 11:56 pm    Post subject: Reply with quote

ok this seems like the best idea. i wish i had thought of it before i bought the piece, i could have got a longer chunk of al. i think if i do this i will make it out of plastic like an inner ring.


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AR



Joined: 23 Jun 2005
Posts: 181
Location: Iowa, USA

PostPosted: Fri Apr 07, 2006 10:15 am    Post subject: Reply with quote

That's a nice transition !
The wedges must fit the Nozzle, right ?

You gotta fix the one that's not standard or you'll have to go through this every time you try something different.

If you need some measurements to help figure which is standard and which is not let me know.

I know Eagle made some Nozzles that were smaller than the Berkeley opening because someone on here had one for sale.

The one I have under buy and sell is standard AT and Berkeley.



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